I think the producers have danced around on who they want to have win this season based on the editing. At first, out of these three, Ginger seemed like the one who would go the furthest (and possibly win), then they started editing her shade as being a little more virulent midway and focused heavily on Pearl's story, but most recently they really painted it to seem like it's realized that the shade Ginger was throwing was unpopular and it's not going to get her win.
And I don't believe for a second that Ru actually makes the decision herself, she makes whatever choice is the most popular and sensible so that the show continues to have successful viewership. Been reading some interesting tea lately, spilled by Willam of course (but youtube comments are bad sourcing lol).
So it's Violet or Pearl. Either is completely fine with me. If Violet wins Pearl will end up being the Nina Flowers of this season seeing where her interests are going.